Home / 84,535.20-126,804.83-28,377.14

Finding the Fourth Proportional to 84,535.20, 126,804.83 and 28,377.14

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Solution

The fourth proportional to 84,535.20, 126,804.83 and 28,377.14 is: 42,566.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,535.20 : 126,804.83 = 28,377.14 : x
  2. Step 2: Convert to fraction form
    84,535.20/126,804.83 = 28,377.14/x
  3. Step 3: Cross multiply
    84,535.20x = 126,804.83 × 28,377.14
  4. Step 4: Simplify right side
    84,535.20x = 3,598,357,637.68
  5. Step 5: Solve for x
    x = 3,598,357,637.68/84,535.20
  6. Step 6: Final answer
    x = 42,566.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.